HealthHuman eggs release chemicals that attract some sperm more than others A person’s eggs release chemicals after sex that preferentially attract sperm from certain people, which might help explain why some people have fertility problems News
HealthElectric current helps dampen tics in people with Tourette's syndrome Applying an electric current to the wrist can lessen the frequency of tics associated with Tourette’s syndrome, because it stimulates brainwaves that keep us motionless News